Hedman Hedders

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#41863892

Hedman Hedders 63892 67-91 GM Truck Headers, Black

  • Long Tube, Black Elite, Special Clutch Cross Shaft Headers For 1967-91 Chevy/GMc 2WD & 4WD Trucks, Blazers & Suvs W/283-400 SB Chevy
  • 1-5/8 In. Tubes, 3 In. Ball/Socket Collector-Heavy-Duty Steel Construction, Black Ceramic-Metallic Finish
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$771.38

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Product Summary

Long Tube Header Tube Type, Oval Exhaust Port Shape

  • Long Tube, Black Elite, Special Clutch Cross Shaft Headers For 1967-91 Chevy/GMc 2WD & 4WD Trucks, Blazers & Suvs W/283-400 SB Chevy
  • 1-5/8 In. Tubes, 3 In. Ball/Socket Collector-Heavy-Duty Steel Construction, Black Ceramic-Metallic Finish
See more details

Key Specs

MFG. Part #63892
Header Tube TypeLong Tube
Exhaust Port ShapeOval
Flange StyleStandard
Primary Tube Diameter1-5/8"
See more specs

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Hedman Hedders 63892 Details

Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing Chevy truck headers for nearly as long. Each set uses mild steel, smooth flowing, CNC mandrel bent tubes, that are hand-welded to ensure each pair is identical to the next. Hedman's unique, gasketless ball and socket collector design allows your SB Chevy exhaust system to bolt up, even if it is not perfectly aligned with the header collectors.

This set is part of Hedman's ELITE® line of headers, which have stout 3/8 in. flanges, and thicker 14 gauge primary tubes. The heavy-duty construction of HEDMAN BLACK ELITE® Hedders makes them ideal for high-performance engines and tow vehicles, which produce higher exhaust temperatures.

BLACK ELITE® models have a SATIN-BLACK ceramic finish that can withstand temperatures up to 1400 degrees F. The coating looks great and increases exhaust speeds for improved exhaust scavenging, and reduced under hood temperatures.

These LONG-TUBE headers fit 1967-1991 2WD & 4WD Chevy/GMC 1/2 Ton and 3/4 ton trucks, Blazers, Suburbans (check the application listings for exact fitment), powered by a Small Block Chevy engine (without A.I.R. System). They are designed to provide additional clearance for clutch shaft clearance issues when the cross shaft is located under, or behind the rear, driver side exhaust port. The smooth 1-5/8 in. tube design provides ample exhaust flow to let your truck's 283-400 SB Chevy engine breathe easy, and produce maximum horsepower and torque.

Each set includes a pair of gaskets, header flange bolts and collector bolts. No collector gasket is needed.

Hedman Hedders is so confident in the quality of its headers that these headers are factory backed by a Limited Lifetime Warranty. The ceramic-metallic finish is covered by a 5-year factory warranty, in addition to Hedman's standard lifetime header warranty.

Features

  • Long Tube, Black Elite, Special Clutch Cross Shaft Headers For 1967-91 Chevy/GMc 2WD & 4WD Trucks, Blazers & Suvs W/283-400 SB Chevy
  • 1-5/8 In. Tubes, 3 In. Ball/Socket Collector-Heavy-Duty Steel Construction, Black Ceramic-Metallic Finish

Application

  • 1969-1974 Chevrolet Blazer CID 283
  • 1987-1991 Chevrolet Blazer CID 283
  • 1969-1974 Chevrolet Blazer CID 327
  • 1987-1991 Chevrolet Blazer CID 327
  • 1969-1974 Chevrolet Blazer CID 350
  • 1987-1991 Chevrolet Blazer CID 350
  • 1969-1974 Chevrolet Blazer CID 400
  • 1987-1991 Chevrolet Blazer CID 400
  • 1975-1986 Chevrolet C10 CID 283
  • 1975-1986 Chevrolet C10 CID 327
  • 1975-1986 Chevrolet C10 CID 350
  • 1975-1986 Chevrolet C10 CID 400
  • 1967-1974 Chevrolet C10 Pickup CID 283
  • 1967-1974 Chevrolet C10 Pickup CID 327
  • 1967-1974 Chevrolet C10 Pickup CID 350
  • 1967-1974 Chevrolet C10 Pickup CID 400
  • 1967-1986 Chevrolet C10 Suburban CID 283
  • 1967-1986 Chevrolet C10 Suburban CID 327
  • 1967-1986 Chevrolet C10 Suburban CID 350
  • 1967-1986 Chevrolet C10 Suburban CID 400
  • 1988-1991 Chevrolet C1500 CID 283
  • 1988-1991 Chevrolet C1500 CID 327
  • 1988-1991 Chevrolet C1500 CID 350
  • 1988-1991 Chevrolet C1500 CID 400
  • 1975-1986 Chevrolet C20 CID 283
  • 1975-1986 Chevrolet C20 CID 327
  • 1975-1986 Chevrolet C20 CID 350
  • 1975-1986 Chevrolet C20 CID 400
  • 1967-1974 Chevrolet C20 Pickup CID 283
  • 1967-1974 Chevrolet C20 Pickup CID 327
  • 1967-1974 Chevrolet C20 Pickup CID 350
  • 1967-1974 Chevrolet C20 Pickup CID 400
  • 1967-1986 Chevrolet C20 Suburban CID 283
  • 1967-1986 Chevrolet C20 Suburban CID 327
  • 1967-1986 Chevrolet C20 Suburban CID 350
  • 1967-1986 Chevrolet C20 Suburban CID 400
  • 1988-1991 Chevrolet C2500 CID 283
  • 1988-1991 Chevrolet C2500 CID 327
  • 1988-1991 Chevrolet C2500 CID 350
  • 1988-1991 Chevrolet C2500 CID 400
  • 1975-1986 Chevrolet C30 CID 283
  • 1975-1986 Chevrolet C30 CID 327
  • 1975-1986 Chevrolet C30 CID 350
  • 1975-1986 Chevrolet C30 CID 400
  • 1967-1974 Chevrolet C30 Pickup CID 283
  • 1967-1974 Chevrolet C30 Pickup CID 327
  • 1967-1974 Chevrolet C30 Pickup CID 350
  • 1967-1974 Chevrolet C30 Pickup CID 400
  • 1988-1991 Chevrolet C3500 CID 283
  • 1988-1991 Chevrolet C3500 CID 327
  • 1988-1991 Chevrolet C3500 CID 350
  • 1988-1991 Chevrolet C3500 CID 400 ...See Application Guide for Additional Fitments

Specs

Manufacturer Specs:

TUBE DIAMETER1-5/8 in.
TUBE STYLELong Tubes
AIR CONDITIONINGYes
AUTOMATIC TRANSMISSION - COLUMNYes
AUTOMATIC TRANSMISSION - FLOORYes
MANUAL TRANSMISSION - COLUMNNo
MANUAL TRANSMISSION - FLOORYes
POWER STEERINGYes
COLLECTOR ATTACHMENT3 in.
COLLECTOR DIAMETER3 in.
COLLECTOR SIZE3 in.
COLLECTOR STYLEBALL and SOCKET Style (Gasketless)
REDUCER OUTLET SIZE2-1/2 in.
EXHAUST SYSTEM DIA2-1/2 in.
CONTENTSheaders, gaskets (when applicable), 3-bolt exhaust adapters, hardware
FINISHBLACK MAXX Satin Black Ceramic-Metallic
FINISH TYPEBLACK MAXX- Black Ceramic-Metallic Coating
FLANGE STYLEStandard
FLANGE THICKNESS0.375 in.
HEADER STYLELong Tube
NOTES67-82 GM Full Size Blazer, Jimmy 283-400
MATERIALMild Steel
TUBE DESIGNStandard
TUBE LENGTHLong Tubes
TUBE MATERIAL THICKNESS14g
TUBE SIZE1-5/8 in.
WITH AIR SYSTEMNo
WITH EGRNo
EONo
WELD-UPNo
TUNEDNo
BOLTS/STUDS INCLUDEDYes
CATALYTIC CONVERTERS INCLUDEDNo
CROSSOVER PIPE INCLUDEDNo
GASKET OR SEAL INCLUDEDYes
HEADER FASTENERS INCLUDEDYes
INSTALLATION HARDWARE INCLUDEDYes
MOTOR MOUNTS INCLUDEDNo
MOUNTING HARDWARE INCLUDEDYes
REDUCERS INCLUDEDYes
Y-PIPE INCLUDEDNo
QUANTITYSold as a pair.
PRIMARY TUBE GAUGE14g
PRIMARY TUBE DIAMETER IN1.625 in.
PACKAGE CONTENTSHeaders, ball and socket reducers (exhaust adapters), gaskets, mounting hardware
HEADER MATERIALMild Steel
HEADER FINISHBLACK MAXX Satin Black Ceramic-Metallic
CYLINDER HEAD PORT SHAPEOval
CYLINDER HEADFits Factory GM Aluminum Angle Plug Cylinder Head (L98 Profile Only)
HEADER CONSTRUCTIONMILD STEEL- ELITE Heavy-Duty
REPLACEMENT GASKET41827560
REPLACEMENT HEAD FLANGE GASKET41827560
HEADER PORT SHAPEOval Port
PORT SHAPEOval
COLLECTOR BOLTS INCLUDEDYes
FOOTNOTESMust modify rotary A/C Bracket (121)
TRANSMISSION COMPATIBILITY4X4, Manual trans. models w/ Hydraulic clutch. Doesn't work with Slave cylinder.
MATERIALSNOT For Vehicles With Offset (right) Engine Position!
PRODUCT INFO2WD

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.
CA Prop 65
CARB warning

Hedman Hedders 63892 Specifications

KEY SPECS
MFG. Part #63892
BrandHedman Hedders
Header Tube TypeLong Tube
Exhaust Port ShapeOval
Flange StyleStandard
Primary Tube Diameter1-5/8"
Material TypeMild Steel
ColorBlack
Weld-UpNo
Collector Diameter3 Inch
FinishSatin
Hardware IncludedYes
Gasket(s) IncludedYes
Collector Reducers IncludedYes
Collector Reducer Exit Diameter2.5"
GENERAL
Sold in QuantitySet
Collector Length3"
Flange Thickness0.375"
TunedNo
Crossover Pipe IncludedNo
Primary Tube Gauge14-gauge

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